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Vulnerability record · CVE-2015-4047 · published 29 May 2015

CVE-2015-4047: Ipsec-tools null pointer dereference vulnerability

IIpsec Tools · Ipsec Tools

racoon/gssapi.c in IPsec-Tools 0.8.2 allows remote attackers to cause a denial of service (NULL pointer dereference and IKE daemon crash) via a series of crafted UDP requests.

7.8 CVSS 2.0 High EPSS 9.8% · top 4.6% CWE-476 · NULL pointer dereference
7.8CVSS 2.0 base score
9.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
25Affected product versions listed by NVD
26References, 8 tagged exploit
17 Jun 2026Last modified by NVD

Description

racoon/gssapi.c in IPsec-Tools 0.8.2 allows remote attackers to cause a denial of service (NULL pointer dereference and IKE daemon crash) via a series of crafted UDP requests.

AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected products

25 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159482.html Mailing ListThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159549.html Mailing ListThird Party Advisory
http://packetstormsecurity.com/files/131992/IPsec-Tools-0.8.2-Denial-Of-Service.html Third Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2015/May/81 ExploitMailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2015/May/83 ExploitMailing ListThird Party Advisory
http://www.debian.org/security/2015/dsa-3272 Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/05/20/1 ExploitMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2015/05/21/11 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/74739 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1032397 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2623-1 Third Party Advisory
https://support.f5.com/csp/article/K05013313 Third Party Advisory
https://www.altsci.com/ipsec/ipsec-tools-sa.html ExploitThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159482.html Mailing ListThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159549.html Mailing ListThird Party Advisory
http://packetstormsecurity.com/files/131992/IPsec-Tools-0.8.2-Denial-Of-Service.html Third Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2015/May/81 ExploitMailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2015/May/83 ExploitMailing ListThird Party Advisory
http://www.debian.org/security/2015/dsa-3272 Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/05/20/1 ExploitMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2015/05/21/11 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/74739 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1032397 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2623-1 Third Party Advisory
https://support.f5.com/csp/article/K05013313 Third Party Advisory
https://www.altsci.com/ipsec/ipsec-tools-sa.html ExploitThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2015-4047), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.